gcleaner | de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03

General

Target

de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
Size

267KB
MD5

b4083eecf5e10cf9fca51af2207fe512
SHA1

6344052f3e59e83da44adc2546dd0a102655d9fe
SHA256

de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03
SHA512

8fff262307891b31460044dec1c44d5a8fd62846a70063ec01c1a5ec5bd654bcc1a8b7c66644cc87e929ed0def377d0bcf736d7d50d985b629c8077343317202
SSDEEP

3072:D+XdB/Z0gKFFILw6To75ScUga3BQ0H53nrCr5bxBxiiQJCm5Rq2tl4l/:uHX3wR5mx53nrCvi0boW

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 9 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
3344	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
3208	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
2920	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
3228	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
4932	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
4832	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
768	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
4124	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
888	1868	WerFault.exe	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

884 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 884 taskkill.exe

pid	process
884	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	884	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.execmd.exe

description	pid	process	target process
PID 1868 wrote to memory of 2756	1868	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe	cmd.exe
PID 1868 wrote to memory of 2756	1868	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe	cmd.exe
PID 1868 wrote to memory of 2756	1868	de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe	cmd.exe
PID 2756 wrote to memory of 884	2756	cmd.exe	taskkill.exe
PID 2756 wrote to memory of 884	2756	cmd.exe	taskkill.exe
PID 2756 wrote to memory of 884	2756	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe
"C:\Users\Admin\AppData\Local\Temp\de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 476
2⤵
- Program crash
PID:3344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 796
2⤵
- Program crash
PID:3208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 816
2⤵
- Program crash
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 796
2⤵
- Program crash
PID:3228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 892
2⤵
- Program crash
PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 1000
2⤵
- Program crash
PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 1088
2⤵
- Program crash
PID:768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 1464
2⤵
- Program crash
PID:4124

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2756

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "de801c8a6902f57ca4e5f701ab649921a5df663388444751a4c6bcf458dd0c03.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 488
2⤵
- Program crash
PID:888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1868 -ip 1868
1⤵
PID:3936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1868 -ip 1868
1⤵
PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1868 -ip 1868
1⤵
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1868 -ip 1868
1⤵
PID:3340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1868 -ip 1868
1⤵
PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1868 -ip 1868
1⤵
PID:408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1868 -ip 1868
1⤵
PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1868 -ip 1868
1⤵
PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1868 -ip 1868
1⤵
PID:3988

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1868-1-0x0000000002430000-0x0000000002530000-memory.dmp

Filesize
1024KB

Download
memory/1868-2-0x0000000004060000-0x000000000409C000-memory.dmp

Filesize
240KB

Download
memory/1868-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1868-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1868-7-0x0000000004060000-0x000000000409C000-memory.dmp

Filesize
240KB

Download
memory/1868-6-0x0000000000400000-0x000000000235F000-memory.dmp

Filesize
31.4MB

Download

Analysis

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